Thanks to this feat being repeatable, a level 8 human rogue with any background the provides the skilled feat can have every skill proficiency by level 8. This heavily delays increasing your ability scores, but if you take it for your bonus human origin feat, get skilled again from your background, and then take it again twice at level 4 and level 8. For a non-human that gets at least 1 skill from their species, they can also replicate this by level 10. Congratulations, your rogue is now getting a bare minimum of 13 on every skill check the DM ever gives you and you're now the lord of all skills forever.